5000618641 has 2 divisors, whose sum is σ = 5000618642. Its totient is φ = 5000618640.

The previous prime is 5000618621. The next prime is 5000618659. The reversal of 5000618641 is 1468160005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4533194241 + 467424400 = 67329^2 + 21620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5000618641 is a prime.

It is not a weakly prime, because it can be changed into another prime (5000618621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500309320 + 2500309321.

It is an arithmetic number, because the mean of its divisors is an integer number (2500309321).

Almost surely, 2^5000618641 is an apocalyptic number.

It is an amenable number.

5000618641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5000618641 is an equidigital number, since it uses as much as digits as its factorization.

5000618641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5000618641 is about 70715.0524358145. The cubic root of 5000618641 is about 1710.0464678503.

Adding to 5000618641 its reverse (1468160005), we get a palindrome (6468778646).

The spelling of 5000618641 in words is "five billion, six hundred eighteen thousand, six hundred forty-one".